There are 21 cities in Callaway County, Missouri.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Columbia | 1 | Missouri | 130,337 | 126,307 | 0.78% | 1,936 | 67.31 |
| Jefferson City | 2 | Missouri | 42,561 | 42,524 | 0.02% | 1,180 | 36.06 |
| Fulton | 3 | Missouri | 12,430 | 12,602 | -0.34% | 1,008 | 12.33 |
| Ashland | 4 | Missouri | 5,072 | 4,762 | 1.54% | 815 | 6.23 |
| Centralia | 5 | Missouri | 4,783 | 4,561 | 1.16% | 1,643 | 2.91 |
| Holts Summit | 6 | Missouri | 4,737 | 4,496 | 1.28% | 1,279 | 3.71 |
| Montgomery City | 7 | Missouri | 2,801 | 2,799 | 0% | 830 | 3.38 |
| Wardsville | 8 | Missouri | 1,640 | 1,603 | 0.55% | 473 | 3.47 |
| Taos | 9 | Missouri | 1,174 | 1,146 | 0.6% | 182 | 6.44 |
| Auxvasse | 10 | Missouri | 1,016 | 1,006 | 0.2% | 1,346 | 0.76 |
| Wellsville | 11 | Missouri | 1,012 | 988 | 0.6% | 658 | 1.54 |
| New Bloomfield | 12 | Missouri | 753 | 687 | 2.17% | 475 | 1.58 |
| New Florence | 13 | Missouri | 641 | 639 | 0% | 213 | 3.01 |
| Tebbetts | 14 | Missouri | 336 | 79 | -8.94% | 517 | 0.65 |
| Martinsburg | 15 | Missouri | 258 | 252 | 0.39% | 945 | 0.27 |
| Mokane | 16 | Missouri | 186 | 184 | 0% | 635 | 0.29 |
| Hartsburg | 17 | Missouri | 139 | 131 | 1.46% | 647 | 0.21 |
| Rhineland | 18 | Missouri | 138 | 140 | -0.72% | 409 | 0.34 |
| Kingdom City | 19 | Missouri | 135 | 131 | 0.75% | 70 | 1.94 |
| Pierpont | 20 | Missouri | 66 | 64 | 0% | 289 | 0.23 |
| Buell | 21 | Missouri | 18 | 30 | -14.29% | 205 | 0.09 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Columbia is the largest city in Callaway County.
Buell is the smallest city in Callaway County.
There are 21 cities in Callaway County, Missouri.